html,
body{
    user-select:none;
    position: relative;
}
.box{
    padding: 1.875rem;
    height: calc(100vh - 8.75rem);
    background: rgb(240, 238, 232,0.6);
}
.container{
    position: relative;
    height:100%;
    border-radius: .1875rem;
    overflow:hidden;
}

ul,li{ 
    padding:0;
    margin:0;
    list-style:none;
}

/** 左侧菜单 **/
.type{
    padding-top: 2.5rem;
    padding-bottom: .625rem;
    text-align: center;
}
.type>img,
.type>div{
    display: inline-block;
    vertical-align: middle;
}
.type>img{
    width: 3.125rem;
}
.type-name{
    color: #666;
    font-size: 1.75rem;
    margin-left: 1.25rem;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.left-mod{
    width: 18%;
    height: 100%;
    background: #ececec;
    /* background: rgb(236,236,236,0.3); */
    float: left;
}
.menu-list{
    padding-top: 3.75rem;
    padding-bottom: 3.75rem;
    overflow: auto;
}
.menu-list::-webkit-scrollbar {/*滚动条整体样式*/
    width: 0;     /*高宽分别对应横竖滚动条的尺寸*/
    background: transparent;
}
.menu-li{
    padding: 1.25rem 0;
    color: #989898;
    cursor: pointer;
    font-size: 1.5rem;
    letter-spacing: 1px;
    text-align: center;
}
.menu-li.cur{
    background: #fff;
    color: #4d4d4d;
    font-weight: 600;
}
.menu-li:hover{
    background: #fff;
    color: #4d4d4d;
    font-weight: 600;
}
/** 左侧菜单 **/

/** 右侧内容 **/
.right-mod{
    width: 82%;
    height: 100%;
    float: left;
}
.right-content{
    background: #fff;
    width: 100%;
    height: 100%;
    position: relative;
}

/** 内容页头部 **/
.content-top{
    height: 12%;
    position: relative;
}
.content-title-box {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    white-space: nowrap;
}
.content-title{
    color: #666;
    font-size: 1.75rem;
    position: relative;
    margin: 0 1.875rem;
    cursor: pointer;
}
.content-title.cur{
    color: #4d4d4d;
    font-size: 1.75rem;
    font-weight: 600;
}
.content-title.cur::after{
    content: '';
    position: absolute;
    height: .1875rem;
    width: 100%;
    background: #ff6900;
    border-radius: 2px;
    left: 50%;
    transform: translateX(-50%);
    bottom: -.25rem;
}
.content-top-tag{
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
}
.content-top-tag>div{
    float: left;
}

.tag.cur{
    padding: .625rem 1.5625rem;
    margin-right: 1.25rem;
    background: #ffeddd;
    color: #ff6900;
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: 1px;
    border-top-left-radius: 4.375rem;
    border-bottom-right-radius: 4.375rem;
    border-top-right-radius: .625rem;
    border-bottom-left-radius: .625rem;
}
.tag{
    padding: .625rem 1.5625rem;
    margin-right: 1.25rem;
    color: #666;
    background: #f1f1f1;
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: 1px;
    border-top-left-radius: 4.375rem;
    border-bottom-right-radius: 4.375rem;
    border-top-right-radius: .625rem;
    border-bottom-left-radius: .625rem;
    cursor: pointer;
    position: relative;
    z-index: 22;
}
/** 内容页头部 **/

/** 托班-内容页中部 **/
.content-tuo {
    height: 88%;
}
.content-mid{
    height: 88%;
    padding-left: 5%;
    padding-right: 6.25rem;
}
.mid-top{
    background: #cbcbcb;
    color: #fff;
    padding: 1.25rem 1.875rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 1.5rem;
    border-top-left-radius: .625rem;
    border-top-right-radius: .625rem;
}
.mid-top-right>div{
    float: left;
}
.mid-content{
    height: calc(100% - 5.25rem);
    background: #fcfcfc;
    border-bottom-left-radius: .625rem;
    border-bottom-right-radius: .625rem;
}
.mid-content-item{
    width: 25%;
    text-align: center;
    height: 100%;
    float: left;
}
.content-item-title{
    background: #f2f2f2;
    color: #606060;
    padding: 1.25rem 0;
    font-size: 1.5rem;
    position: relative;
}
.content-item-title.notlast::after,
.content-item-list.notlast::after{
    content: '';
    position: absolute;
    height: 100%;
    width: 1px;
    background: #e9e9e9;
    right: 0;
    top: 0;
}
.content-item-list{
    color: #747474;
    font-size: 1.25rem;
    overflow: auto;
    height: calc(100% - 4.5rem);
    position: relative;
}
.content-item-list::-webkit-scrollbar {/*滚动条整体样式*/
    width: .3125rem;     /*高宽分别对应横竖滚动条的尺寸*/
    background: #f4f4f4;
    border-radius: .3125rem;
}
.content-item-list::-webkit-scrollbar-thumb {
    border-radius: .3125rem;
    background: #cbcbcb;
}
.content-item-list>li{
    width: 96%;
    margin: auto;
    padding: .625rem 0;
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-top: .3125rem;
}
.theme-list-2>li.cur,
.theme-list>li.cur,
.content-item-list>li.cur,
.theme-list-2>li:hover,
.theme-list>li:hover,
.content-item-list>li:hover{
    background: #fff;
    color: #4d4d4d;
    font-weight: 600;
    border-radius: .1875rem;
}
/** 托班-内容页中部 **/


/** 新版托班 **/
.content-top-sub {
    /* text-align: right;
    height: 5%;
    margin-bottom: .625rem; */
    position: absolute;
    top: 4.4%;
    right: 5%;
}
.content-top-sub-item {
    display: inline-block;
    padding: .3125rem 1rem;
    color: #666;
    background: #f1f1f1;
    font-weight: 600;
    letter-spacing: 1px;
    border-top-left-radius: 4.375rem;
    border-bottom-right-radius: 4.375rem;
    border-top-right-radius: .625rem;
    border-bottom-left-radius: .625rem;
    cursor: pointer;
    position: relative;
    z-index: 22;
}
.content-top-sub-item.cur{
    background: #ffeddd;
    color: #ff6900;
}

.content-newtuo{
    height: 88%;
    padding-left: 5%;
    padding-right: calc(5% + 2.5rem);
}

.content-newtuo .theme-title-newtuo{
    min-height:1.875rem;
    background: #f0eee8;
    color: #808080;
    padding: 1rem 0;
    font-size: 1.5rem;
    border-top-left-radius: .625rem;
    border-top-right-radius: .625rem;
    position: relative;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
}
.content-newtuo .theme-title-newtuo>div{
    margin:0 1.25rem;
    cursor: pointer;
    color:#808080;
    font-size:1.25rem;
}
.content-newtuo .theme-title-newtuo>div.cur{
    color:#808080;
    font-size:1.5rem;
}

.content-newtuo .mod-theme-newtuo{
    height: calc(100% - 4.375rem);
    background: #fbfbfb;
    border-bottom-left-radius: .625rem;
    border-bottom-right-radius: .625rem;
    font-size: 1.25rem;
}
.content-newtuo .theme-list-newtuo{
    height: 100%;
    float: left;
    text-align: center;
    position: relative;
    overflow: auto;
}
.content-newtuo .theme-list-newtuo::-webkit-scrollbar {/*滚动条整体样式*/
    width: .3125rem;     /*高宽分别对应横竖滚动条的尺寸*/
    background: #f4f4f4;
    border-radius: .3125rem;
}
.content-newtuo .theme-list-newtuo::-webkit-scrollbar-thumb {
    border-radius: .3125rem;
    background: #cbcbcb;
}
.content-newtuo .theme-list-newtuo>li {
    width: 96%;
    margin: auto;
    padding: .3125rem 0;
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-top: .3125rem;
}
.content-newtuo .theme-list-newtuo>li>span{
    position: relative;
}
.content-newtuo .theme-list-newtuo>li.dot>span:before{
    content: '';
    position: absolute;
    width: .5rem;
    height: .5rem;
    /* background: #606060; */
    background: #a16c36;
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    left: -1.25rem;
}
.content-newtuo .theme-list-newtuo>li.dot{
    pointer-events:none;
    font-weight:600;
    color:#a16c36;
}
.content-newtuo .theme-list-newtuo>li.cur,
.content-newtuo .theme-list-newtuo>li:hover{
    background: #fff;
    color: #4d4d4d;
    font-weight: 600;
    border-radius: .1875rem;
}
.content-newtuo .theme-top-btn{
    font-size: 1.25rem;
    height: 6%;
}
.content-newtuo .theme-top-btn>div{
    display:inline-block;
    color: #666;
    margin-right: .625rem;
    cursor: pointer;
    padding: .3125rem 1rem;
}
.content-newtuo .theme-top-btn>div.cur{
    border-radius: 1.25rem;
    background: #ff6900;
    color:#fff;
}
/** 新版托班 **/


/** 内容页底部 **/
.content-bottom{
    height: 12%;
    padding-left: 4%;
    padding-right: calc(5% + 3.75rem);
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #747474;
    font-size: 1.125rem;
}
.bottom-index{
    border-radius: .5rem;
    border: 1px solid #4fadf7;
    font-size: 1.25rem;
    color: #747474;
    width: 1.5625rem;
    text-align: center;
}
.bottom-index:focus{
    outline: none;
}
/** 内容页底部 **/

/** 右侧内容 **/


/** 侧边按钮 **/
.sidebar-list{
    position: absolute;
    bottom: 3.125rem;
    right: 1.25rem;
}
.sidebar-list img{
    display: block;
    width: 3.75rem;
    margin-top: .3125rem;
    cursor: pointer;
    border-radius: .625rem;
}
.sidebar-list img:hover{
    box-shadow: 0 0 .625rem #a6a6a6;
}
/** 侧边按钮 **/


/** 小中大班模块-学习活动 **/
.content-mid-1{
    height: calc(88% - 5.625rem);
    margin: 1.875rem 0 3.75rem;
    padding-left: 4%;
    padding-right: calc(4% + 2.5rem);
}
.mod-list{
    height: 100%;
    overflow: auto;
    position: relative;
}
.theme-list-2::-webkit-scrollbar,
.theme-list::-webkit-scrollbar,
.mod-list::-webkit-scrollbar {/*滚动条整体样式*/
    width: .3125rem;     /*高宽分别对应横竖滚动条的尺寸*/
    background: #f4f4f4;
    border-radius: .3125rem;
}
.theme-list-2::-webkit-scrollbar-thumb,
.theme-list::-webkit-scrollbar-thumb,
.mod-list::-webkit-scrollbar-thumb {
    border-radius: .3125rem;
    background: #cbcbcb;
}
.mod-theme-box{
    width: calc(100% / 3);
    /* height: 100%; */
    height: 70%;
    float: left;
    margin-bottom: 1.875rem;
}
.mod-theme{
    height: 100%;
    width: 88%;
    margin: auto;
    background: rgb(241, 241, 241,0.4);
    text-align: center;
    font-size: 1.25rem;
    border-radius: .625rem;
}
.theme-list{
    position: relative;
    max-height: calc(100% - 4.375rem);
    overflow: auto;
}
.theme-list>li.sub{
    cursor: default !important;
}
.theme-title{
    background: #f0eee8;
    color: #808080;
    font-weight: 600;
    cursor: default;
    padding: 1rem 0;
    font-size: 1.5rem;
    border-top-left-radius: .625rem;
    border-top-right-radius: .625rem;
    position: relative;
}
.theme-icon{
    cursor: pointer;
    width: 1.875rem;
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
}
.theme-icon:hover{
    transform: translateY(-50%) scale(1.1);
}
.theme-list-2>li,
.theme-list>li{
    width: 96%;
    margin: auto;
    padding: .3125rem 0;
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-top: .3125rem;
}
.theme-list>li.sub{
    background: #f9d853;
    color: #9a6d3f;
    border-radius: .625rem;
    font-weight: 600;
}
/** 小中大班模块-学习活动 **/

/** 小中大班模块-日常健康活动 **/
.theme-label{
    height: 8%;
    font-size: 1.25rem;
}
.theme-label>div,
.label-option>div{
    float: left;
}
.label-type{
    margin-right: 1.25rem;
    color: #3b3d3f;
    padding: .3125rem 0;
}
.label-option>div{
    color: #a6a6a6;
    margin-right: .625rem;
    cursor: pointer;
    padding: .3125rem 1rem;
}
.label-option>div:hover{
    color: #3b3d3f;
}
.label-option>div.cur{
    color: #fff;
    border-radius: 1.25rem;
    background: #ff6900;
}

.content-mid-2{
    height: 88%;
    padding-left: 5%;
    padding-right: calc(5% + 2.5rem);
}
.mod-theme-box-2{
    height: 100%;
    position: relative;
}
.theme-title-tag{
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    background:#fff !important;
}
.theme-title-tag.cur{
    background:#ffeddd !important;
}
.mod-list-2{
    height:92%;
}
.mod-theme-2{
    height: calc(100% - 7.5rem);
    background: #fbfbfb;
    border-bottom-left-radius: .625rem;
    border-bottom-right-radius: .625rem;
    font-size: 1.25rem;
}
.theme-list-2{
    width: calc(100% / 3);
    height: 100%;
    float: left;
    text-align: center;
    position: relative;
    overflow: auto;
}
.notlast-2::after{
    content: '';
    position: absolute;
    border-right: 1px dashed #e5e5e5;
    height: 100%;
    width: 1px;
    right: 0;
    top: 0;
}
.theme-title-2{
    background: #f0eee8;
    color: #808080;
    padding: .9375rem 0;
    font-size: 1.5rem;
    border-top-left-radius: .625rem;
    border-top-right-radius: .625rem;
    position: relative;
    text-align: center;
}
/** 小中大班模块-日常健康活动 **/

/** 弹窗样式 **/
.demo-class {
    border-radius: 2.5rem !important;
}
.layui-layer-setwin .layui-layer-close2,
.open-class .layui-layer-setwin .layui-layer-close2{
    right: -35px !important;
    top: -40px !important;
}
.open-class .layui-layer-setwin .layui-layer-close2.full{
    right: -15px !important;
    top: -15px !important;
    z-index: 99999999 !important;
}
/** 弹窗样式 **/

.detail-content{
    max-width: 50rem;
    margin: auto;
    height: calc(100% - 2.5rem);
    font-size: 1.25rem;
}
/** 资源-附件 **/
.detail-files{
    padding: 1.875rem;
    clear: both;
}
.detail-files-item{
    box-shadow: 0 0 .625rem #ccc;
    padding: .625rem 1.25rem 1rem;
    border-radius: .625rem;
    width: 10rem;
    text-align: right;
    float: left;
    margin-right: 1.25rem;
    margin-bottom: 1.25rem;
    position: relative;
}
.files-left{
    margin-top: .3125rem;
}
.detail-files-item>img,
.file-down-icon{
    cursor: pointer;
}
.detail-files-title{
    display: flex;
    align-items: center;
    justify-content: space-around;
}
.detail-files-title>span:nth-child(1) {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    /* max-width: calc(100% - 3.125rem); */
    max-width: 100%;
}
.file-down-icon{
    border-radius: 1.25rem;
    font-size: .75rem;
    padding: .125rem .5rem;
    background: #ffeddd;
    color: #ff6900;
}
/** 资源-附件 **/

/** 资源-视频 **/
.detail-videos{
    padding: 1.25rem;
}
.detail-videos-item{
    box-shadow: 0 0 .625rem #ccc;
    border-radius: 1.25rem;
    color: #9a9f9b;
    cursor: pointer;
    overflow: hidden;
    position: relative;    
}
.detail-videos-item>div{
    width: 100%;
    height: 0 !important;
    padding-bottom: calc(70% + 2.5rem);
}
.detail-videos-item.len-1{
    width: 50%;
    margin: auto;
    margin-top: 1.25rem;
}
.detail-videos-item.len-2{
    float: left;
    margin: 1.25rem;
}
.detail-video-fengmian>img:nth-child(1){
    height: 100%;
    width: 100%;
    object-fit: contain;
    position: absolute;
    bottom: 2.5rem;
}
.detail-video-bf{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: 3.75rem;
    height: 3.75rem;
}
.detail-video-title{
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    line-height: 2.5rem;
    text-align: center;
    padding: 0 1.25rem;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}
/** 资源-视频 **/

/** 资源-绘本 **/
.detail-ebooks{
    padding: 1.25rem;
    display: flex;
    flex-wrap: wrap;
}
.detail-maths-item,
.detail-ebooks-item{
    box-shadow: 0 0 .625rem #ccc;
    border-radius: 1.25rem;
    color: #9a9f9b;
    cursor: pointer;
    overflow: hidden;
}
.detail-maths-item.len-1,
.detail-ebooks-item.len-1{
    width: 50%;
    margin: auto;
    margin-top: 1.25rem;
}
.detail-maths-item.len-2,
.detail-ebooks-item.len-2{
    float: left;
    margin: 1.25rem;
}
.detail-maths-fengmian,
.detail-ebook-fengmian{
    position: relative;
    padding-bottom: 60%;
    height: 0;
    background: #d4d4d4;
    overflow: hidden;
}
.detail-maths-fengmian>img,
.detail-ebook-fengmian>img{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.dialog-content .detail-ebook-fengmian>img{
    object-fit: cover;
    height: 100%;
    width: 100%;
}
.detail-maths-title,
.detail-ebook-title{
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    line-height: 2.5rem;
    text-align: center;
    padding: 0 1.25rem;
    background: #fff;
}
/** 资源-绘本 **/

/** 资源-图片 **/
.detail-2{
    cursor: default;
    height: 100%;
    /* overflow: hidden; */
}
.detail-2 ul{
    list-style-type: none;
    margin: 0;
    padding: 0;
}
.detail-pictures{
    height: calc(100% - 1rem);
    overflow: hidden;
    margin: auto;
    margin-top: 1rem;
    width: 50rem;
    box-shadow: 0 0 .625rem #ccc;
}
.detail-pictures,
.detail-pictures-main{
    position: relative;
}
.detail-pictures-main{
    height: 100%
}
.detail-pictures-box{
    height: 100%;
    position: relative;
}
.detail-pictures-item{
    float: left;
    height: 100%;
    width: 50rem;
    position: relative;
    cursor: pointer;    
}
.detail-pictures-item>img{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    max-height: 100%;
    object-fit: contain;
} 
.detail-pictures-title{
    position: absolute;
    top: .625rem;
    left: 1.25rem;
    padding: .625rem;
    color: #fff;
    background: rgb(0,0,0,0.5);
    border-radius: 2px;
    z-index: 2;
}
/********** **********/
.detail-small-pictures{
    position: absolute;
    bottom: 0;
    width: calc(100% - 6.25rem);
    margin: 1.25rem 3.125rem 0 3.125rem;
    height: 6.25rem;
    /* opacity: 0.01; */
}
.small-pictures {
    width: 100%;
    overflow: hidden;
}
.detail-small-pictures:hover{
    opacity: 1;
}
.small-pictures-box{
    height: 6.25rem;
    position: relative;
}
.small-pictures-item{
    float: left;
    height: 6.25rem;
    width: 7.5rem;
    margin: 0 .625rem;
    position: relative;
    border-radius: 2px;
    border: 1px solid rgb(204,204,204,0.5);
    box-sizing: border-box;
    box-shadow: 0 0 5px #ccc;
    cursor: pointer;
    background: #fff;
}
.small-pictures-item>img{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
} 
.pic-choose{
    position: absolute;
    width: 100%;
    height: 100%;
    background: #ccc;
    z-index: 3;
    opacity: 0.5;
}
.pic-choose-0{
    opacity: 0;
}
/********** **********/
.pictures-prevTop,
.pictures-nextTop{
    width: 3.375rem;
    height: 5.9375rem;
    display: none;
}
.detail-pictures-main:hover .pictures-prevTop,
.detail-pictures-main:hover .pictures-nextTop{
    display: block;
}
.pictures-prevTop{
    background: url('https://bdcdn.littlebobby.com.cn/Public/images/kecheng/prevTop.png') no-repeat center center;
    background-size: contain;
}
.pictures-nextTop{
    background: url('https://bdcdn.littlebobby.com.cn/Public/images/kecheng/nextTop.png') no-repeat center center;
    background-size: contain;
}
.pictures-prev,
.pictures-next{
    width: 1.875rem;
    height: 1.875rem;
}
.pictures-prev{   
    background: url('https://bdcdn.littlebobby.com.cn/Public/images/kecheng/prev.png') no-repeat center center;
    background-size: contain;
}
.pictures-next{
    background: url('https://bdcdn.littlebobby.com.cn/Public/images/kecheng/next.png') no-repeat center center;
    background-size: contain;
}
.pictures-prevTop,
.pictures-nextTop{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}
.pictures-prev,
.pictures-next{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}
.pictures-prevTop{
    left: .625rem;
}
.pictures-nextTop{
    right: .625rem;
}
.pictures-prev{
    left: -1.875rem;
}
.pictures-next{
    right: -1.875rem;
}
.pictures-prevTop,
.pictures-prev,
.pictures-nextTop,
.pictures-next{
    cursor: pointer;
    z-index: 2;
}
/** 资源-图片 **/

/** 正文图片查看 **/
.look_book{
    position: absolute;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.5);
    width: 100%;
    height: 100%;
    display: none;
}
.look_book .go-back {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    cursor: pointer;
    z-index: 99999;
    background-color: #BFBFBF;
    color: #fff;
    border-radius: 1.25rem;
    padding: .375rem 1.25rem;
}
.look_book .show-book-num {
    position: absolute;
    right: 2.5rem;
    bottom: 1.875rem;
    width: 6.25rem;
    height: 2.8125rem;
    background-color: #BFBFBF;
    color: white;
    border-radius: 2.8125rem;
    z-index: 99999;
    text-align: center;
    line-height: 2.8125rem;
    font-size: 1.25rem
}
.swipe-main .arrow {
    width: 3.125rem;
    height: 12.5rem;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    z-index: 9999;
}
.swipe-main .arrow-left {
    left: 1.25rem;
}
.swipe-main .arrow-left::before{
    content: '';
    width: .5rem;
    height: 50%;
    background: #fff;
    border-radius: .625rem;
    position: absolute;
    transform: rotate(15deg);
    left: 1.25rem;
    top: .625rem;
}
.swipe-main .arrow-left::after{
    content: '';
    width: .5rem;
    height: 50%;
    background: #fff;
    border-radius: .625rem;
    position: absolute;
    transform: rotate(165deg);
    left: 1.25rem;
    top: 50%;
}
.swipe-main .arrow-right {
    right: 1.25rem;
}
.swipe-main .arrow-right::before{
    content: '';
    width: .5rem;
    height: 50%;
    background: #fff;
    border-radius: .625rem;
    position: absolute;
    transform: rotate(-15deg);
    right: 1.25rem;
    top: .625rem;
}
.swipe-main .arrow-right::after{
    content: '';
    width: .5rem;
    height: 50%;
    background: #fff;
    border-radius: .625rem;
    position: absolute;
    transform: rotate(15deg);
    right: 1.25rem;
    top: 50%;
}
.swipe-main .main-image {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 999;
    width: 100%;
    height: 100%;
}
.swipe-main .main-image img.cur {
    display: block !important;
}
.swipe-main .main-image img {
    display: none;
    max-width: 100%;
    max-height: 100%;
    object-fit: cover;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
/** 正文图片查看 **/

/** 资源-音乐 **/
.music-box{
    padding: 2.5rem 0;
    height: calc(100% - 5rem );
    width: 80%;
    margin: auto;
}
.music-left {
    width: 75%;
    margin: auto;
    border-radius: .625rem;
    background: rgb(241, 241, 241,0.4);
    height: 100%;
}
.music-title{
    text-align: center;
    cursor: default;
    height: 3.125rem;
    line-height: 3.125rem;
    background: #f0eee8;
    color: #808080;
    font-size: 1.5rem;
    border-radius: .625rem;
}
.music-li {
    margin: .3125rem 0;
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: .625rem 1.875rem .625rem 3.125rem;
    border-radius: .625rem;
    position: relative;
}
.music-voice,
.music-download{
    display: none;
}
.music-bottom-icon{
    width: 50% !important;
}
/**********/
.music-right{
    margin: auto;
}
/** 资源-音乐 **/

/** 资源-数学 **/
.detail-maths-fengmian>img{
    max-width: 100%;
    max-height: 100%;
    background-size: contain;
}
/** 资源-数学 **/

.reminder{
    position: fixed;
    bottom: 0;
    width: 100%;
    text-align: center;
    padding: .625rem;
    background: #fff;
    box-shadow: 0 0 .625rem #aaa;
    display: none;
    color: #aaa;
}

.sub-title {
    text-align: center;
    font-size: 1.5rem;
    color: #666;
}


/* 视频欣赏 */
.detail_item{
    width: calc((100% - 11.25em) / 3);
    height: 16.75em;
    margin: 1.25em 1.875em;
    border-radius: .1875em .1875em 1.375em 1.375em;
    float: left;
    box-shadow: 0 0 .625em #999;
    overflow: hidden;
    position: relative;
}
.detail_fengmian{
    width: 100%;
    height: 13.625em;
    position: relative;
    cursor: pointer;
}
.detail_fengmian>img:nth-child(1){
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.bf_icon{
    width: 20%;
    position: absolute;
    z-index: 4;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.detail_title{
    position: relative;
    height: 2.5em;
    line-height: 2.5em;
    text-align: center;
    max-width: 100%;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    font-size: 1.25em;
    background: #F1F1F1;
}
/* 视频欣赏 */